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@CatherineSue CatherineSue commented May 31, 2025

Motivation

Fix flaky test test_function_call_required

The test is flaky as we asked

Modifications

  • Relax city_value constraint as our question might indicate France, Paris, or Paris, France
  • Add more detailed info to assertion message

Checklist

- Relax `city_value` constraint as our question might indicate `France`, `Paris`, or `Paris, France`

- Add more detailed info to assertion message
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Hello @CatherineSue, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

Summary of Changes

Hello, I'm gemini-code-assist. This pull request by CatherineSue addresses the flakiness in the test_function_call_required test case within the OpenAI function calling tests. The core issue was that the test's assertion for the 'city' parameter was too strict, expecting only 'Paris' when the model might return variations like 'France' or 'Paris, France'. This PR relaxes that constraint to accept responses containing either 'Paris' or 'France'. Additionally, the assertion messages have been improved across the test method to provide more context and actual values, which should aid in debugging future test failures.

Highlights

  • Fix Flaky Test: The primary motivation for this change is to resolve the intermittent failures experienced by the test_function_call_required test.
  • Relax 'city' Parameter Assertion: The test's check for the 'city' parameter in the function call arguments has been made more flexible. It now verifies that the value is a string and contains either 'Paris' or 'France', accommodating different valid responses from the model.
  • Improve Assertion Messages: Assertion messages within the test_function_call_required method have been updated to include the actual values received, providing clearer feedback when an assertion fails.

Changelog

  • test/srt/test_openai_function_calling.py
    • Relaxed the assertion for the 'city' parameter in test_function_call_required (lines 363-378 in the new version) to accept values containing either "Paris" or "France".
    • Added a type check for the 'city' parameter to ensure it is a string (lines 369-374 in the new version).
    • Enhanced assertion messages for the function name check and the presence of the 'city' key to include the actual values/objects received (lines 359-366 in the new version).
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Code Review

This pull request aims to fix a flaky test, test_function_call_required, by relaxing the assertion on the city parameter's value and by adding more detailed information to assertion messages. The changes are well-targeted and effectively address the flakiness by allowing more variations in the model's output for the city name. The improved assertion messages are also a welcome addition for easier debugging. Overall, good work on making the test more robust!

Summary of Findings

  • Test Robustness: Case Sensitivity: The assertion for city_value checks for "Paris" or "France" in a case-sensitive manner. LLM outputs can vary in casing. Making this check case-insensitive (e.g., by converting city_value to lowercase) would further improve the test's robustness against flakiness.
  • Improved Assertion Messages: The PR includes more detailed assertion messages (e.g., f"... got: {actual_value}"). This is a good practice as it significantly helps in debugging test failures by providing immediate context on the actual values.
  • Relaxed Value Constraint: The core change to allow city_value to contain either "Paris" or "France" effectively addresses the described flakiness where the model might return "Paris", "France", or "Paris, France". This is a good targeted fix.

Merge Readiness

The pull request is a good step towards improving test stability. The primary change effectively addresses the flakiness of test_function_call_required.

I've made one suggestion of medium severity regarding case-insensitivity for the city_value check, which would further enhance the test's robustness. I recommend addressing this point before merging to ensure the test is as resilient as possible to minor variations in LLM output. As an AI reviewer, I am not authorized to approve pull requests; please ensure other reviewers approve these changes before merging.

Comment on lines +376 to +377
"Paris" in city_value or "France" in city_value,
f"Parameter city should contain either 'Paris' or 'France', got: {city_value}",
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medium

The current check for city_value is case-sensitive (e.g., it looks for "Paris" and "France"). LLM outputs can sometimes vary in casing (e.g., "paris" or "france"). To make this test even more robust and prevent potential flakiness due to case variations, have you considered making this check case-insensitive?

For example, you could convert city_value to lowercase before checking for the substrings. This would ensure the test passes regardless of the casing returned by the model for these specific keywords.

Suggested change
"Paris" in city_value or "France" in city_value,
f"Parameter city should contain either 'Paris' or 'France', got: {city_value}",
"paris" in city_value.lower() or "france" in city_value.lower(),
f"Parameter city should contain either 'Paris' or 'France' (case-insensitive), got: {city_value}",

@zhyncs zhyncs merged commit e39bca0 into main May 31, 2025
1 of 35 checks passed
@zhyncs zhyncs deleted the chang/ci branch May 31, 2025 02:18
@CatherineSue
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for i in {1..50}; do echo "Run $i:"; python3 -m unittest test_openai_function_calling.TestOpenAIServerFunctionCalling.test_function_call_required 2>&1; if [ $? -ne 0 ]; then echo "FAILED on run $i"; break; fi; done 

Not one failure.

Edenzzzz pushed a commit to Edenzzzz/sglang that referenced this pull request Jun 2, 2025
Layssy pushed a commit to Layssy/sglang-iaas that referenced this pull request Jun 9, 2025
xwu-intel pushed a commit to xwu-intel/sglang that referenced this pull request Jun 17, 2025
walker-ai pushed a commit to walker-ai/sglang that referenced this pull request Jul 8, 2025
Merge branch 'sgl_20250610_sync_tag047 of git@code.alipay.com:Theta/SGLang.git into main

https://code.alipay.com/Theta/SGLang/pull_requests/52


Reviewed-by: 剑川 <jianchuan.gys@antgroup.com>


* [Bugfix] Fix slice operation when chunk size mismatch (sgl-project#6697)
* [Bugfix] Fix ChatCompletion endpoint of mini_lb when stream is set (sgl-project#6703)
* [CI] Fix setup of disaggregation with different tp (sgl-project#6706)
* [PD] Remove Unnecessary Exception Handling for FastQueue.get() (sgl-project#6712)
* Fuse routed_scaling_factor in DeepSeek (sgl-project#6710)
* Overlap two kernels in DeepSeek with communication (sgl-project#6711)
* Minor refactor two-batch overlap (sgl-project#6682)
* Speed up when having padding tokens two-batch overlap (sgl-project#6668)
* [Feature] Support Flashinfer fp8 blockwise GEMM kernel on Blackwell (sgl-project#6479)
* Fix LoRA bench (sgl-project#6719)
* temp
* Fix PP for Qwen3 MoE (sgl-project#6709)
* [feat] triton kernel for get_last_loc (sgl-project#6676)
* [fix] more mem for draft_extend cuda_graph (sgl-project#6726)
* [PD] bug fix:  Update status if nixl receiver send a a dummy req. (sgl-project#6720)
* Tune memory arguments on B200 (sgl-project#6718)
* Add DeepSeek-R1-0528 function call chat template (sgl-project#6725)
* refactor(tool call): Fix BaseFormatDetector tool_index issue and refactor `parse_streaming_increment` (sgl-project#6715)
* Add draft extend CUDA graph for Triton backend (sgl-project#6705)
* refactor apply_w8a8_block_fp8_linear in fp (sgl-project#6545)
* [PD] Support completion endpoint (sgl-project#6729)
* PD Rust LB (PO2) (sgl-project#6437)
* Super tiny enable sole usage of expert distribution metrics and update doc (sgl-project#6680)
* Support picking variants of EPLB algorithms (sgl-project#6728)
* Support tuning DeepEP configs (sgl-project#6742)
* [test] add ut and bm for get_last_loc (sgl-project#6746)
* Fix mem_fraction_static for AMD CI (sgl-project#6748)
* [fix][RL] Fix DeepSeekV3ForCausalLM.post_load_weights for multiple update weight (sgl-project#6265)
* Improve EPLB logical to physical dispatch map (sgl-project#6727)
* Update DeepSeek-R1-0528 function call chat template (sgl-project#6765)
* [PD] Optimize time out logic and add env var doc for mooncake (sgl-project#6761)
* Fix aiohttp 'Chunk too big' in bench_serving (sgl-project#6737)
* Support sliding window in triton backend (sgl-project#6509)
* Fix shared experts fusion error (sgl-project#6289)
* Fix one bug in the grouped-gemm triton kernel (sgl-project#6772)
* update llama4 chat template and pythonic parser (sgl-project#6679)
* feat(tool call): Enhance Llama32Detector for improved JSON parsing in non-stream (sgl-project#6784)
* Support token-level quantization for EP MoE (sgl-project#6782)
* Temporarily lower mmlu threshold for triton sliding window backend (sgl-project#6785)
* ci: relax test_function_call_required (sgl-project#6786)
* Add intel_amx backend for Radix Attention for CPU (sgl-project#6408)
* Fix incorrect LoRA weight loading for fused gate_up_proj (sgl-project#6734)
* fix(PD-disaggregation): Can not get local ip (sgl-project#6792)
* [FIX] mmmu bench serving result display error (sgl-project#6525) (sgl-project#6791)
* Bump torch to 2.7.0 (sgl-project#6788)
* chore: bump sgl-kernel v0.1.5 (sgl-project#6794)
* Improve profiler and integrate profiler in bench_one_batch_server (sgl-project#6787)
* chore: upgrade sgl-kernel v0.1.5 (sgl-project#6795)
* [Minor] Always append newline after image token when parsing chat message (sgl-project#6797)
* Update CI tests for Llama4 models (sgl-project#6421)
* [Feat] Enable PDL automatically on Hopper architecture (sgl-project#5981)
* chore: update blackwell docker (sgl-project#6800)
* misc: cache is_hopper_arch (sgl-project#6799)
* Remove contiguous before Flashinfer groupwise fp8 gemm (sgl-project#6804)
* Correctly abort the failed grammar requests & Improve the handling of abort (sgl-project#6803)
* [EP] Add cuda kernel for moe_ep_pre_reorder (sgl-project#6699)
* Add draft extend CUDA graph for flashinfer backend  (sgl-project#6805)
* Refactor CustomOp to avoid confusing bugs (sgl-project#5382)
* Tiny log prefill time (sgl-project#6780)
* Tiny fix EPLB assertion about rebalancing period and recorder window size (sgl-project#6813)
* Add simple utility to dump tensors for debugging (sgl-project#6815)
* Fix profiles do not have consistent names (sgl-project#6811)
* Speed up rebalancing when using non-static dispatch algorithms (sgl-project#6812)
* [1/2] Add Kernel support for Cutlass based Fused FP4 MoE (sgl-project#6093)
* [Router] Fix k8s Service Discovery (sgl-project#6766)
* Add CPU optimized kernels for topk and rope fusions  (sgl-project#6456)
* fix new_page_count_next_decode (sgl-project#6671)
* Fix wrong weight reference in dynamic EPLB (sgl-project#6818)
* Minor add metrics to expert location updater (sgl-project#6816)
* [Refactor] Rename `n_share_experts_fusion` as `num_fused_shared_experts` (sgl-project#6735)
* [FEAT] Add transformers backend support  (sgl-project#5929)
* [fix] recover auto-dispatch for rmsnorm and rope (sgl-project#6745)
* fix ep_moe_reorder kernel bugs (sgl-project#6858)
* [Refactor] Multimodal data processing for VLM (sgl-project#6659)
* Decoder-only Scoring API (sgl-project#6460)
* feat: add dp-rank to KV events (sgl-project#6852)
* Set `num_fused_shared_experts` as `num_shared_experts` when shared_experts fusion is not disabled (sgl-project#6736)
* Fix one missing arg in DeepEP (sgl-project#6878)
* Support LoRA in TestOpenAIVisionServer and fix fused kv_proj loading bug. (sgl-project#6861)
* support 1 shot allreduce  in 1-node and 2-node using mscclpp (sgl-project#6277)
* Fix Qwen3MoE missing token padding optimization (sgl-project#6820)
* Tiny update error hints (sgl-project#6846)
* Support layerwise rebalancing experts (sgl-project#6851)
* Tiny allow profiler API to auto create directory (sgl-project#6865)
* Support Blackwell DeepEP docker images (sgl-project#6868)
* [EP] Add cuda kernel for moe_ep_post_reorder (sgl-project#6837)
* [theta]merge 0605
* oai: fix openAI client error with single request via batch api (sgl-project#6170)
* [PD] Fix potential perf spike caused by tracker gc and optimize doc (sgl-project#6764)
* Use deepgemm instead of triton for fused_qkv_a_proj_with_mqa (sgl-project#6890)
* [CUTLASS-FP4-MOE]  Introduce CutlassMoEParams class for easy initialization of Cutlass Grouped Gems Metadata (sgl-project#6887)
* bugfix(OAI): Fix image_data processing for jinja chat templates (sgl-project#6877)
* [CPU] enable CI for PRs, add Dockerfile and auto build task (sgl-project#6458)
* AITER backend extension and workload optimizations (sgl-project#6838)
* [theta]merge
* [theta]merge
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* chore: bump sgl-kernel v0.1.6 (sgl-project#6943)
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* chore: upgrade sgl-kernel v0.1.6 (sgl-project#6945)
* add fbgemm moe grouped gemm kernel benchmark (sgl-project#6924)
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* Refactor global_server_args_dict (sgl-project#6866)
* Fuse routed scaling factor in topk_reduce kernel (sgl-project#6220)
* Update server timeout time in AMD CI. (sgl-project#6953)
* [misc] add is_cpu() (sgl-project#6950)
* Add H20 fused MoE kernel tuning configs for DeepSeek-R1/V3 (sgl-project#6885)
* Add a CUDA kernel for fusing mapping and weighted sum for MoE. (sgl-project#6916)
* chore: bump sgl-kernel v0.1.6.post1 (sgl-project#6955)
* chore: upgrade sgl-kernel v0.1.6.post1 (sgl-project#6957)
* [DeepseekR1-FP4] Add Support for nvidia/DeepSeekR1-FP4 model (sgl-project#6853)
* Revert "Fuse routed scaling factor in topk_reduce kernel (sgl-project#6220)" (sgl-project#6968)
* [AMD] Add more tests to per-commit-amd (sgl-project#6926)
* chore: bump sgl-kernel v0.1.7 (sgl-project#6963)
* Slightly improve the sampler to skip unnecessary steps (sgl-project#6956)
* rebase h20 fused_moe config (sgl-project#6966)
* Fix CI and triton moe Configs (sgl-project#6974)
* Remove unnecessary kernels of num_token_non_padded (sgl-project#6965)
* Extend cuda graph capture bs for B200 (sgl-project#6937)
* Fuse routed scaling factor in deepseek (sgl-project#6970)
* Sync cuda graph runners (sgl-project#6976)
* Fix draft extend ut stability with flush cache (sgl-project#6979)
* Fix triton sliding window test case (sgl-project#6981)
* Fix expert distribution dumping causes OOM (sgl-project#6967)
* Minor remove one kernel for DeepSeek (sgl-project#6977)
* [perf][sgl-kernel] extend cutlass_mla_decode to support num_head < 128 (sgl-project#6929)
* Enable more unit tests for AMD CI. (sgl-project#6983)
* Use torch.compile to fuse flash attention decode metadata preparation (sgl-project#6973)
* Eliminate stream sync to speed up LoRA batch init  (sgl-project#6960)
* support qwen3 emebedding (sgl-project#6990)
* Fix torch profiler bugs for bench_offline_throughput.py (sgl-project#6557)
* chore: upgrade flashinfer v0.2.6.post1 jit (sgl-project#6958)
* cleanup tmp dir (sgl-project#7007)
* chore: update pr test xeon (sgl-project#7008)
* Fix cutlass MLA gets almost zero accuracy (sgl-project#6998)
* Update amd nightly models CI. (sgl-project#6992)
* feat: add direct routing strategy to DP worker (sgl-project#6884)
* Fallback to lower triton version for unfound fused moe configs (sgl-project#7013)
* Fix torchvision version for Blackwell (sgl-project#7015)
* Simplify prepare_extend_after_decode (sgl-project#6987)
* Migrate to assertEqual (sgl-project#6741)
* Fix torch version in blackwell dockerfile (sgl-project#7017)
* chore: update pr test xeon (sgl-project#7018)
* Update default settings for blackwell (sgl-project#7023)
* Support both approximate and exact expert distribution collection (sgl-project#6964)
* Add decode req pool (sgl-project#6980)
* [theta]merge 0610
* [theta]merge 0610
* [CI] Add CI workflow for sgl-router docker build (sgl-project#7027)
* Fix fused_moe triton configs (sgl-project#7029)
* CPU: map changes from developing branch in sgl-kernel (sgl-project#6833)
* chore: bump v0.4.7 (sgl-project#7038)
* Update README.md (sgl-project#7040)
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